Portion of a dispenser for a refrigerator



FIG. 1 is a front perspective view of a portion of a dispenser for a refrigerator showing my new design; and,

FIG. 2 is a front view thereof.

The broken lines shown in the drawing disclosure are for illustrative purposes only and form no part of the claimed design. The sides not shown form no part of the claimed design. 

The ornamental design for a portion of a dispenser for a refrigerator, as shown and described. 